[INFO] cloning repository https://github.com/munckymagik/go-concurrency-patterns-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/munckymagik/go-concurrency-patterns-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 505aedcacf1e11dcc07c955a632ead689e627fb9
[INFO] documenting munckymagik/go-concurrency-patterns-in-rust against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunckymagik%2Fgo-concurrency-patterns-in-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust
[INFO] finished tweaking git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust
[INFO] tweaked toml for git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/munckymagik/go-concurrency-patterns-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded async-task v1.0.0
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded async-macros v2.0.0
[INFO] [stderr]   Downloaded broadcaster v0.2.6
[INFO] [stderr]   Downloaded async-std v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e210294cc2850221cfa6f3a1541c2a1aeaca6b9dfe64b07b3a2d70eb111f501
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e210294cc2850221cfa6f3a1541c2a1aeaca6b9dfe64b07b3a2d70eb111f501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e210294cc2850221cfa6f3a1541c2a1aeaca6b9dfe64b07b3a2d70eb111f501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e210294cc2850221cfa6f3a1541c2a1aeaca6b9dfe64b07b3a2d70eb111f501", kill_on_drop: false }`
[INFO] [stdout] 2e210294cc2850221cfa6f3a1541c2a1aeaca6b9dfe64b07b3a2d70eb111f501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d8b69ec79a1caeebf6e717bbcb60474b1cf97e46dc323ee299fd76a74d15e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23d8b69ec79a1caeebf6e717bbcb60474b1cf97e46dc323ee299fd76a74d15e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]  Documenting go-concurrency-patterns-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `go-concurrency-patterns-in-rust`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 11_1_quit_channel src/bin/11_1_quit_channel.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-97897736a2ea88ec.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-1e8ca3c830803e6e.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-92f4b4d7b851f12b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c247d9206329a49a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.2.0/src/future/future/mod.rs:20:1
[INFO] [stdout]     |
[INFO] [stdout] 20  | / extension_trait! {
[INFO] [stdout] 21  | |     use std::pin::Pin;
[INFO] [stdout] 22  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 23  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 394 | |     }
[INFO] [stdout] 395 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "23d8b69ec79a1caeebf6e717bbcb60474b1cf97e46dc323ee299fd76a74d15e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d8b69ec79a1caeebf6e717bbcb60474b1cf97e46dc323ee299fd76a74d15e2", kill_on_drop: false }`
[INFO] [stdout] 23d8b69ec79a1caeebf6e717bbcb60474b1cf97e46dc323ee299fd76a74d15e2
